
3 credits
About $0.18 in credits · includes the STL and 3MFDon't have a printer? Print it
From ≈ $21.99, or ≈ $11.55 each for 40. Printed in PLA or PETG and shipped to your door by tracked delivery; its maker earns their credits on every print.
About this model
Cow-themed perpetual calendar with three rotating rings to set the day (1–31), month (JAN–DEC) and weekday (MON–SUN). The 100 mm diameter front plate features raised cow spots, a stylised cow head with horns and patch, and a central knob. The rings nest around a hub on the back plate and turn to align labels with three windows at the top. Includes a stand with a slot to display the calendar at an angle. Prints flat without supports.
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How buying works
Sign in to SpeakCAD, pay 3 credits and a copy of “Cow perpetual calendar” appears in your models. Download the STL or 3MF right away at no extra cost, or chat with the AI first to adapt it: “make it 5 mm wider”, “add a second screw hole”. Small edits keep the download free. Everything runs in your browser, nothing to install.





